$ git clone -n https://src.fedoraproject.org/rpms/bench.git /var/lib/mock/f39-build-1718423-41229/root/chroot_tmpdir/scmroot/bench
Cloning into '/var/lib/mock/f39-build-1718423-41229/root/chroot_tmpdir/scmroot/bench'...
$ git fetch origin 1eae4e7e9933039d5354493e161107a97532f50a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bench
 * [new ref]         1eae4e7e9933039d5354493e161107a97532f50a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1eae4e7 bump release